The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 23, 2019
Filed:
May. 13, 2016
Fujikura Ltd., Tokyo, JP;
Sho Endo, Sakura, JP;
Takayuki Kitamura, Sakura, JP;
FUJIKURA LTD., Tokyo, JP;
Abstract
The refractive index of the inner core partin a region in contact with the boundary of the outer core partis higher than the refractive index of the outer core part. The refractive index of the outer core partis gradually decreased from the inner circumferential side to the outer circumferential side. The refractive index of the inner cladding partis equal to the refractive index of the outermost circumferential part of the outer core partand not greater than the refractive index of the outer cladding part
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile